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Tortoiseshell
Tortoiseshell

Biotite
Biotite



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Tortoiseshell
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Biotite

Tortoiseshell and Biotite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.25-1.35
-
None
-9999
-
 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2

Tortoiseshell and Biotite Chemical Formula

While comparing Tortoiseshell and Biotite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Tortoiseshell and Biotite chemical formula.

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Tortoiseshell and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tortoiseshell and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tortoiseshell Vs Biotite during the identification of gemstone. Specific gravity of Tortoiseshell is whereas that of Biotite is .